From:
http://www.microsoft.com/windowsxp/using/tabletpc/getstarted/oneal_03december08.mspx

Printing to Windows Journal

Before you can mark up a document, you need to create a document image, by following these steps:
1.
Open the document for which you want to provide feedback in the program in which it was created, for example, Microsoft Word.
2.
Tap the File menu, and then tap Print.
3.
In the Print dialog box, make sure that Journal Note Writer appears in the Name box as shown in Figure 1, and then tap OK.
Figure 1: Print dialog box
Figure 1: Print dialog box

Figure 1: Print dialog box
Now you're ready to mark up your document image.
1.
Open Windows Journal.
2.
Open the image of the document you printed. The document image will have a .jnt extension.
3.
Annotate the document using your pen. You can also add flags to track items to follow up on, and highlight important parts of the document.
For more information on taking and organizing handwritten notes with your Tablet PC, see Getting to Know Windows Journal.

Handwriting Recognition in Windows Journal